Stoneline Nonstick Stone Cookware - Classic 8-Piece Set Patented non-stick surface is super easy to clean up, even with a paper towel. Keeps food from sticking, even sticky cheese. Durable surface which promotes healthy cooking ; no need to use fats or oils. Stainless steel handles that are are heat resistant an ovenproof up to 425 Fahrenheit Actual stone particles in the coating which delivers restaurant quality results and great gourmet taste. Extra strong 3 mm thick non=-distorting aluminum base for even heat distribution with no hot spots. Perfect pancakes and other foods which are a challenge to cook evenly in other cookware. 3MM magnetized stainless steel plate base. Excellent heat transference to cook foods simply and predictably.